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Asscher|Lab Grown|IGI

1.51ct G SI1 Asscher Lab Grown Diamond

ID • G/SI1 • IGI LG579369715

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG579369715

Diamond specifications and retailer prices

From €819 EUR
£721 GBP
As of October 31, 2026
Save €237 EUR (22%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: €1,056 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.51ct lab-grown asscher diamond

This 1.51ct lab-grown asscher sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG579369715 or 579369715. Listed at 2 retailers as of October 31, 2026, with prices from €819 to €1,056, a €237 spread on the same certified stone. Brilliant Earth lists it at €1,056. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.51
Carat
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle37.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG579369715
Dimensions6.32 × 6.30 × 4.12 mm
L/W Ratio1.00
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.32 mm6.30 mm1.51 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG579369715
Side View
Table 64.0%Crown 34.3°Girdle: MediumPavilion 37.2°Culet: NoneDepth 65.4%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 31
Current: €1,056 EUR|Low: €368 EUR|High: €1,352 EUR|Avg: €744 EUR
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
March 18, 2026
Retailer 5€368 EUR
Retailer 2€545 EUR
Retailer 4€659 EUR
Retailer 6€820 EUR
Brilliant Earth€1,056 EUR
Retailer 3€1,352 EUR

25 data points across 6 retailers

2 retailers€819 EUR to €1,056 EUR

B+
Cheapest Retailer
-
€819 EUR
£721 GBP
Most Expensive
B
Brilliant Earth
7409375Y · Oct 31
€1,056 EUR
$1,180 USD
View
1 more retailer has this diamond
Prices start from €819 EURSave up to €237 EUR

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

B+
1.51ct Asscher
€819 EUR